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U.S. Treasury Yields Top 5% as Iran War Spooks Markets

By Drooid · Sep 20, 2026, 2:25 AM UTC · How we work

Summary

Story summary

U.S. Treasury yields topped 5% this week, the highest level since 2007.
The 10-year yield rose a full percentage point after the Iran war began in late February.
Committee for a Responsible Federal Budget estimates $2.7 trillion annual interest payments by decade’s end if yields stay >80 bps above baseline.
Maya MacGuineas warned that rising interest could trigger a debt spiral and fiscal crisis.

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Story summary

U.S. Treasury yields topped 5% this week, the highest level since 2007.
The 10-year yield rose a full percentage point after the Iran war began in late February.
Committee for a Responsible Federal Budget estimates $2.7 trillion annual interest payments by decade’s end if yields stay >80 bps above baseline.
Maya MacGuineas warned that rising interest could trigger a debt spiral and fiscal crisis.